mark all dtors which are virtual because base class dtor is virtual explicitly virtual themselves

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@41020 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

include/wx/mac/carbon/imaglist.h

@@ -55,7 +55,7 @@ class WXDLLEXPORT wxImageList: public wxObject
 public:
     wxImageList() { m_width = m_height = 0; }
     wxImageList( int width, int height, bool mask = true, int initialCount = 1 );
-    ~wxImageList();
+    virtual ~wxImageList();
     bool Create( int width, int height, bool mask = true, int initialCount = 1 );
     bool Create();